Provide a unit test for the EFI_SIMPLE_TEXT_INPUT_PROTOCOL. The unicode character and the scan code are printed for text input. To run the test: setenv efi_selftest text input bootefi selftest Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>master
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/*
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* efi_selftest_textinput |
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* |
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* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de> |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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* |
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* Provides a unit test for the EFI_SIMPLE_TEXT_INPUT_PROTOCOL. |
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* The unicode character and the scan code are printed for text |
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* input. To run the test: |
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* |
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* setenv efi_selftest text input |
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* bootefi selftest |
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*/ |
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#include <efi_selftest.h> |
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struct translate { |
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u16 code; |
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u16 *text; |
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}; |
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static struct efi_boot_services *boottime; |
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static struct translate control_characters[] = { |
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{0, L"Null"}, |
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{8, L"BS"}, |
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{9, L"TAB"}, |
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{10, L"LF"}, |
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{13, L"CR"}, |
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{0, NULL}, |
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}; |
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static u16 ch[] = L"' '"; |
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static u16 unknown[] = L"unknown"; |
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static struct translate scan_codes[] = { |
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{0x00, L"Null"}, |
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{0x01, L"Up"}, |
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{0x02, L"Down"}, |
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{0x03, L"Right"}, |
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{0x04, L"Left"}, |
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{0x05, L"Home"}, |
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{0x06, L"End"}, |
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{0x07, L"Insert"}, |
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{0x08, L"Delete"}, |
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{0x09, L"Page Up"}, |
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{0x0a, L"Page Down"}, |
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{0x0b, L"FN 1"}, |
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{0x0c, L"FN 2"}, |
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{0x0d, L"FN 3"}, |
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{0x0e, L"FN 4"}, |
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{0x0f, L"FN 5"}, |
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{0x10, L"FN 6"}, |
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{0x11, L"FN 7"}, |
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{0x12, L"FN 8"}, |
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{0x13, L"FN 9"}, |
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{0x14, L"FN 10"}, |
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{0x15, L"FN 11"}, |
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{0x16, L"FN 12"}, |
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{0x17, L"Escape"}, |
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{0x68, L"FN 13"}, |
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{0x69, L"FN 14"}, |
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{0x6a, L"FN 15"}, |
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{0x6b, L"FN 16"}, |
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{0x6c, L"FN 17"}, |
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{0x6d, L"FN 18"}, |
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{0x6e, L"FN 19"}, |
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{0x6f, L"FN 20"}, |
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{0x70, L"FN 21"}, |
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{0x71, L"FN 22"}, |
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{0x72, L"FN 23"}, |
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{0x73, L"FN 24"}, |
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{0x7f, L"Mute"}, |
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{0x80, L"Volume Up"}, |
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{0x81, L"Volume Down"}, |
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{0x100, L"Brightness Up"}, |
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{0x101, L"Brightness Down"}, |
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{0x102, L"Suspend"}, |
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{0x103, L"Hibernate"}, |
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{0x104, L"Toggle Display"}, |
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{0x105, L"Recovery"}, |
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{0x106, L"Reject"}, |
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{0x0, NULL}, |
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}; |
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/*
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* Translate a unicode character to a string. |
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* |
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* @code unicode character |
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* @return string |
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*/ |
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static u16 *translate_char(u16 code) |
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{ |
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struct translate *tr; |
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if (code >= ' ') { |
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ch[1] = code; |
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return ch; |
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} |
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for (tr = control_characters; tr->text; ++tr) { |
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if (tr->code == code) |
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return tr->text; |
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} |
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return unknown; |
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} |
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/*
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* Translate a scan code to a human readable string. |
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* |
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* @code unicode character |
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* @return string |
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*/ |
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static u16 *translate_code(u16 code) |
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{ |
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struct translate *tr; |
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for (tr = scan_codes; tr->text; ++tr) { |
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if (tr->code == code) |
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return tr->text; |
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} |
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return unknown; |
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} |
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/*
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* Setup unit test. |
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* |
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* @handle: handle of the loaded image |
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* @systable: system table |
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* @return: EFI_ST_SUCCESS for success |
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*/ |
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static int setup(const efi_handle_t handle, |
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const struct efi_system_table *systable) |
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{ |
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boottime = systable->boottime; |
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return EFI_ST_SUCCESS; |
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} |
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/*
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* Execute unit test. |
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* |
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* @return: EFI_ST_SUCCESS for success |
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*/ |
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static int execute(void) |
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{ |
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struct efi_input_key input_key = {0}; |
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efi_status_t ret; |
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efi_st_printf("Waiting for your input\n"); |
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efi_st_printf("To terminate type 'x'\n"); |
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for (;;) { |
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/* Wait for next key */ |
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do { |
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ret = con_in->read_key_stroke(con_in, &input_key); |
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} while (ret == EFI_NOT_READY); |
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/* Allow 5 minutes until time out */ |
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boottime->set_watchdog_timer(300, 0, 0, NULL); |
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efi_st_printf("Unicode char %u (%ps), scan code %u (%ps)\n", |
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(unsigned int)input_key.unicode_char, |
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translate_char(input_key.unicode_char), |
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(unsigned int)input_key.scan_code, |
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translate_code(input_key.scan_code)); |
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switch (input_key.unicode_char) { |
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case 'x': |
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case 'X': |
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return EFI_ST_SUCCESS; |
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} |
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} |
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} |
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EFI_UNIT_TEST(textinput) = { |
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.name = "text input", |
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.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, |
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.setup = setup, |
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.execute = execute, |
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.on_request = true, |
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}; |
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